nuclear

Returns the nuclear norm of a matrix, which is the sum of its singular values,
obtained through a singular value decomposition. Intended for internal use
only.

Fit multinomial logistic regression with a penalty on the nuclear
norm of the estimated regression coefficient matrix, using proximal
gradient descent.

Scott Powers

npmr

Nuclear Penalized Multinomial Regression

nuclear function

<dl> <dt>B</dt>
<dd>a matrix</dd></dl>

Arguments

Scott Powers, Trevor Hastie, Rob Tibshirani

Author

Nuclear norm of a matrix — nuclear

<dl>

 <dt>B</dt>
<dd>a matrix</dd>

</dl>

nuclear: Nuclear norm of a matrix

Description

Usage

Value

Arguments

Author

See Also